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Managed to get a selective cheat banned. Well done Lichess

Played a classical game where opponent played the second half of the game really well, but did have Four Inaccuracies. I had a feeling he was cheating so looked at his previous classical games.

All overall were over 90% accuracy, but there was a good sprinkling of inaccuracies, but no mistakes or blunders. Real players make mistakes often, especially in complicated positions.

I reported my findings to the cheat team and Two hours later he was gone. Goes to show that it is not just the obvious cheats that can be caught. He had survived for Six Months, so it was satisfying to catch him.

My advice if you are concerned you may be dealing with a cheat is to check out there recent games and look for patterns.
you are absolutely right, they cleverly steal 1 or 2 moves in critical positions
I just played another day a guy that made several blunders in the opening and middle game. Well, "blunder" may be a strong word, but let's say I managed to have piece + exchange advantage (yep). Traded queens and here we go to good old endgame.

So, just out of nowhere, he started to play as Karpov himself. All good moves in a row, creating passed pawns and magically using his king to support them. So this guy who played pretty mediocre before, now could not only defend a huge material disadvantage, but turn tables and get the advantage back.

I didn't complain, because I played a pretty much shitty endgame, so that's on me. But I found that a little weird, to use an euphemism...
@Lippy66 said in #1:
> Played a classical game where opponent played the second half of the game really well, but did have Four Inaccuracies. I had a feeling he was cheating so looked at his previous classical games.
>
> All overall were over 90% accuracy, but there was a good sprinkling of inaccuracies, but no mistakes or blunders. Real players make mistakes often, especially in complicated positions.
>
> I reported my findings to the cheat team and Two hours later he was gone. Goes to show that it is not just the obvious cheats that can be caught. He had survived for Six Months, so it was satisfying to catch him.
>
> My advice if you are concerned you may be dealing with a cheat is to check out there recent games and look for patterns.

I am sorry, but 99% of reports are abusive, according to the mods. Therefore, every report had 1% chance of being taken into account.
@gabrr82 Yeah, I got one of those too (in Correspondence--and my only negative experience playing here). Did report him...don't know whether he got bagged or not though.
I was playing a tournament and was paired against a 1600 player. I didn't do any major blunder but was outplayed. And on some intense positions he was always correct. Plus he often took more time even on some basic moves. He literally seemed to be playing like engine. My strong feeling made me report him. Few hours later, I got notification that the user was banned. Kudos to wonderful committee there who are active to check games for possible cheat on users report.
@gabrr82 said in #3:
> I just played another day a guy that made several blunders in the opening and middle game. Well, "blunder" may be a strong word, but let's say I managed to have piece + exchange advantage (yep). Traded queens and here we go to good old endgame.
>
> So, just out of nowhere, he started to play as Karpov himself. All good moves in a row, creating passed pawns and magically using his king to support them. So this guy who played pretty mediocre before, now could not only defend a huge material disadvantage, but turn tables and get the advantage back.
>
> I didn't complain, because I played a pretty much shitty endgame, so that's on me. But I found that a little weird, to use an euphemism...

Yeah that was like my opponent rated 2300 but played the first Twelve moves like 1200 player (he probably is) by then he was in a lost position and turned his engine on. Im a bit annoyed I couldnt still win tbh as I had a big advantage , but cant underestimate how good the engines are, they tough to put away.
Probably cheating again with 100 different user names. According to the Art of War you will defeat your enemy when you love your enemy, means you are going in the opposite direction.
A Cheater acts much like guerrillas or like a one man army against the system, lures in the gaps of the matrix, awaits his opportunity and strikes like thunderbolt, retreats and returns renovated like the tides, masters camoufflage and like the Phoenix is reborn from the ashes to dig and grind the wounds of an evil and imperfect creation .. yes, payback time.
Guerrillas defeated the Americans in Korea and Vietnam and before them Guerrillas deafeated the English, the Spanish and Portuguese in North and South America they wrote golden pages of history of war, basically how to fight against powerful enemy when in disadvantage.
Guerrillas decide when a war is over not the other way around in 1949 during the communist revolution Mao and General Chiang-kai-shek (the head of the guerrillas) agreed the end of the war (Mao did not want a guerrilla war to be a permanent blood shed and to threaten his incipient revolution) and the guerrillas fled to Formosa (today Taiwan). What do we know about cheaters? what do they want? can we help? can we give it to them? Everyone here fingerpointing cheaters remind me of Christ when before a sorrounded Magdalena about to be lapidated said "He who is free from the sins of flesh throws the first stone ..." We live in a world where the goverments of a country cheat its citizens. Where bitcoin is necessary to hide the money from .... cheating because the banks cannot be trusted anymore, as soon as a bank smells black money .. they keep it with the money laundering laws in hand, laws they never applied when they were given the money in custody.
And we could go down to the individual level in the analysis and sadly verify the number of cheaters is on the rise, of course in this scenario chess would not stay away from this phenomenae but perhaps there is hope for chess, perhaps chess is the activity that could give cheaters what they want and so make cheating useless at least in chess, but for that to happen we need to know the cheaters and what they want, basically knowledge, dialog, trial and error and exploring alternatives to the obvious which obviously does not work though it seems decadence is general and in all fields and we seem to live in times of Sancho Panza rather than Don Quixote's so the Roman Circus applauds applauds, show the head of a cheater as your trophy while another 100 have just been born, Sancho is buyng the propaganda and is happy.
Cheaters have gotten smart nowadays, they will throw in only a few engine moves in critical positions, playing most of the game using their own knowledge. I had once played a cheater who, belive it or not, hung a rook in one move. I didn't see it and the game continued. I went on to lose, and upon checking the computer analysis I saw the rook blunder. The player was about 200 points higher rated than me so I didn't suspect a thing. A few days later they were caught and banned.
Happy to know lichess's cheat detection, along with the community can catch even these smart cheaters.
one person in a sea of cheats...
3.0 is 80% using scripts selectively.

GM kamsky is correct. Site is unplayable at all levels due to cheats.

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